Stanford University

Hazard Category Classifications for Chemical Waste

How to use this tool

How to use this tool

The hazard category is a broad classification based on regulatory definitions. By utilizing the “Main Hazard” as shown in the Stanford University Chemical Safety Database and applicable numeric codes for the materials in your waste, you can determine the appropriate hazard.

 
DATABASE CLASSIFICATION LABEL HAZARD CATEGORY
DATABASE CLASSIFICATION LABEL HAZARD CATEGORY
1.1 thru 1.6 Notify EH&S if your waste contains any of these explosive materials
8 Corrosive
2.1, 3, 4.1 Flammable
5.1, 5.2 Oxidizer
4,3, 4.2 Air/water reactive
2.3, 6.1 Toxic
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